1
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Flash and gutter are provided in drop forging dies at the following stage:
A
Blocking
B
Preforming (Edgering)
C
Finishing
D
Fullering
2
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
Cold shut (lap) may occur in products obtained by:
A
Casting
B
Forging
C
Machining
D
Welding
3
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A level having $${90^0}$$ bend is to be produced by drop forging using mild steel bar as raw material. The various operations to be performed on it during forging are:
$$P$$ - Cutting;
$$Q$$ - Bending;
$$R$$ - Fullering;
$$S$$ - Blocking cum finishing;
$$T$$ - Edgering

The correct sequence for performing the operations is:

A
$$P - Q - R - T - S$$
B
$$R - T - Q - S - P$$
C
$$T - R - S - Q - P$$
D
$$R - Q - T - S - P$$
4
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A round billet made of brass is to be extruded (extrusion constant $$=250$$ $$MPa$$ ) at $${700^ \circ }C.$$ The billet diameter is $$100$$ $$mm$$ and the diameter of the extrusion is $$50$$ $$mm.$$ The extrusion force required (in $$MN$$) is
A
$$1.932$$
B
$$2.722$$
C
$$3.423$$
D
$$4.650$$
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